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xeze [42]
3 years ago
9

Warm air rising and cold air sinking to replace it causes what phenomenon of a hurricane? the strong winds the strong water the

circular motion the eye
Chemistry
1 answer:
Kitty [74]3 years ago
5 0
The circular motion of the eye.
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What is the wavelength of gamma ray electromagnetic radiation with a frequency of 2.73x10^20 Hz?
Amanda [17]

Answer:

1.10 × 10⁻¹² m

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

Speed of Light = Wavelength times Frequency

  • c = λν
  • c = 3.0 × 10⁸ m/s

Explanation:

<u>Step 1: Define</u>

ν  = 2.73 × 10²⁰ Hz

<u>Step 2: Find wavelength</u>

3.0 × 10⁸ m/s = λ(2.73 × 10²⁰ Hz)

λ = 1.0989 × 10⁻¹² m

<u>Step 3: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules.</em>

1.0989 × 10⁻¹² m ≈ 1.10 × 10⁻¹² m

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3 years ago
How do scientists test ideas about chemical evolution?
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I think they test ideas about chemical evolution by doing experiments. Hope this helps
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What is the de Broglie wavelength (in nm) of a proton of traveling at 3.18% of the speed of light?
gulaghasi [49]
Answer is: <span>de Broglie wavelength of a proton is </span>3,4·10⁻⁵ nm.
v(proton) = 0,038 · 3·10⁸ m/s.
v(proton) = 1,14·10⁷ m/s; speed of proton.
m(proton) = 1,67·10⁻²⁷ kg.
h = 6,62607004·10⁻³⁴ m²·kg/s; Planck constant.
λ(proton) = h / m(proton) · v(proton).
λ(proton) = 6,62607004·10⁻³⁴ m²·kg/s ÷ (1,67·10⁻²⁷ kg · 1,14·10⁷ m/s).
λ(proton) = 3,48·10⁻¹⁴ m · 10⁹ nm/m = 3,4·10⁻⁵ nm.
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3 years ago
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I think it is b..................................................
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List three things that rely on the Sun as the major source of energy​
valkas [14]

Answer:

Three things that rely on the sun for energy is coal,oil, and natural gases

Explanation:

We use engery too cook our food that's an example of how gases are used.

We run our cars .Cars use oil.

And we use electricity for lights. You need coal for the electricity

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3 years ago
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